LX1684 데이터 시트보기 (PDF) - Microsemi Corporation
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LX1684 Datasheet PDF : 12 Pages
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LX1684
TM
®
Voltage-Mode PWM Controller
PRODUCTION DATA SHEET
BLOCK DIAGRAM
VCSP
4
1 20k
VFB
CS
12
V T R IP
320k
CS Comp
-
IRESET
+
ISET
-
Error Comp
+
+ Amplifier/
Com pensation
-
VRESET
VREF
RSS
Hiccup Hiccup
PW M
RQ
SQ
3
SS/ENABLE
CSS
Ramp
O scilla to r
RSET
UVLO
UVLO
ISET
+17.5V
10
VC1
VIN(+12V)
C IN
8
TDRV
L
7
BDRV
6
PGND
5
GND
+5V
14
VCC
R2
R1
ESR
COUT
VCORE
Copyright © 2000
Rev. 1.0c, 2005-03-08
Microsemi
Integrated Products Division
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
Page 4
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